Mid - Senior Level Software Development Engineer in Test
Merrifield, VA
Experience: 0
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Job ID: 378754
Date Posted: 08/20/2026
Shortcut: http://jobs.systemone.com/XeVF4E
Job Title: Mid - Senior Level Software Development Engineer in Test
Location: Vienna, VA
Work Model: Hybrid – 3 days/week onsite, rest remote
Type: Multiyear Contract
Description:
Top Skills:
Full Stack SDET (Front-End and Back-End Automation Test Exp Required)
Top 3 Required Skills:
Hands-on development/coding (Java)
Hand on experience with UI+API+DB automation testing
Hands experience on a wide variety of testing techniques and types and STLC process
Basic Purpose:
The Digital Delivery team develops innovative member and team member experiences that leverage the latest technologies in open source and the Azure cloud. Digital Delivery team is responsible for engineering modern web applications to implement a complete UI and micro services for multi device, multi-platform mobile and desktop web applications. As a member of this team your role will be a Software Development Engineer in Test (SDET) working in a Scrum environment, you will test software applications and features using test suites and scripts, perform anomaly reporting, software analysis, develop automated software test packages using various technologies, perform functional and performance testing.
Additionally, SDET is responsible for providing support for one or more existing software applications. This includes application issue-analysis/resolution, configuration, managing security/permissions, and providing assistance to users. They would also collaborate with other divisions of the organization's primarily ISD Cloud team.
Responsibilities:
- Work with engineers to troubleshoot and remediate automation issues in testing and deploying environments
- Work alongside developers as well as the business stakeholders and strive to automate the acceptance criteria
- Understand, and implement agile development methodologies while working with teams using the Sprint/Scrum methodology of agile
- Understand project documents, customer demands, and product objectives to create and execute test cases
- Test complex API, web and mobile based applications that reference database back-end systems
- Support non-functional requirements such as, performance testing
- Set up, maintain, and perform test automation frameworks on multiple application platforms, such as Mobile, Desktop, and Web, and building test scenarios and acceptance tests
- Participate in all agile ceremonies (standups, planning, backlog refinement, reviews, etc.) ensuring QA and testing is continuously represented and effectively incorporated into all aspects of the project
- Own end-to-end test strategy, analyze requirements, build test plan, design test cases and implement test automation for applications of moderate to high complexity
- Manage the final quality on production release
- Develop, execute, and maintain automation test scripts to meet software release deliverables, project testing requirements and other quality considerations
- Develop smoke, functional, regression, and integration test suites for UI, API Services, and databases
- Develop and execute manual test cases to detect issues that cannot be detected through automated means (when needed)
- Design customer centric automation test processes for all existing and new product development
- Apply a strong understanding of software testing/delivery to build and maintain automated test harnesses and test suites using scripting languages and industry tools
- Ability to advocate for Improvements in automation engineering efforts to the executive management team
Qualifications:
- At least 5 years overall SDET and/or development hands on experience.
- At least 2 years of mobile apps test automation experience in Android and/or iOS, Web, API
- At least 4 years of professional experience in software test automation, including creation and deployment of frameworks and design and maintenance of test automation
- At least 2 years of API Automation Testing.
- Experience with agile development methodology
- Experience with Cl/CD pipelines using tools such as GitHub, Jenkins, JUnit, Selenium, Cucumber, etc.
- Experience with Test Driven Development (TDD), BDD Behavior Driven Development, and Agile (XP)
- Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium
- Experience working with a ticketing system such as Service Now or Jira
- Hands on experience with any cloud technology platforms, preferably Microsoft Azure.
- Must have hands on experience in Selenium Scripting, and SQL querying
- Must have hands on experience utilizing cloud hosted testing platforms such as Perfecto.
- Proficient in debugging issues.
- Proficient in Java
- Proficient in writing functional automation (UI/API)
- Solid foundation in data structures, algorithms, design patterns and strong analytical and problem- solving skills.
- Working knowledge of Pull requests, code reviews, etc.
Preferred Skills:
- Previous financial/banking experience is highly preferred
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M-2
#LI-CB5
Ref: #851-Rockville-S1
-
IT QA Engineer - SDET
Merrifield, VA
Title: Quality Engineering/Test Automation Engineer Location: Vienna, VA Work schedule: hybrid, onsite 3 days a week Pay Rate: Open to Both W2 options and established 1099, no c2c Position Type: Contract LOCAL CANDIDATES ONLY This role is for a Quality...
Date Posted: 08/20/2026 Recommended
-
Sr, Quality Engineer - API/Kafka
Pittsburgh , Pennsylvania
Job Title: Sr, Quality Engineer - API/Kafka Location: Pittsburgh, PA/Cleveland, OH/Dallas, TX Responsibilities Design and develop high quality automated API tests for applications. Develop and manage software test plans, and traceability. Write high qu...
Date Posted: 06/25/2026 Recommended
-
Senior AWS Full Stack Software Engineer
Pittsburgh , Pennsylvania
Job Title: Senior AWS Full Stack Software Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Software Engineer to develop, modernize, and support enterprise applications within a large sc...
Date Posted: 08/28/2026 Recommended
-
Lead Test Engineer - Senior - 100% remote
Merrifield, VA
Title: Lead Test Engineer Location: 100% Remote Pay Rate: Open to Both W2 and established 1099's Position Type: Contract, long term expected Candidates MUST LIVE in the United States and be able to pass both a credit and criminal background check. This...
Date Posted: 09/17/2026 Recommended
-
Sr. Quality Automation Engineer
Cleveland, Ohio
Job Title: Sr. Quality Automation Engineer Location: Cleveland, OH Responsibilities Design and develop high-quality automated UI and API tests for web applications. Create industry-standard test automation solutions and scripts. Perform in-sprint manua...
Date Posted: 07/07/2026 Recommended
-
Sr. Quality Automation Engineer
Dallas, Pennsylvania
Job Title: Sr. Quality Automation Engineer Location: Dallas, TX Responsibilities Design and develop high-quality automated UI and API tests for web applications. Create industry-standard test automation solutions and scripts. Perform in-sprint manual a...
Date Posted: 07/07/2026 Recommended
-
Senior AWS Full Stack Engineer
Plano, Texas
Job Title: Senior AWS Full Stack Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Engineer to join a team supporting enterprise applications within the financial services industry. This...
Date Posted: 08/28/2026 Recommended
-
Senior AWS Full Stack Engineer
Reston, Virginia
Job Title: Senior AWS Full Stack Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Engineer to join a team supporting enterprise applications within the financial services industry. This...
Date Posted: 08/31/2026 Recommended
-
Senior AWS Full Stack Engineer
Columbia, South Carolina
Job Title: Senior AWS Full Stack Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Engineer to join a team supporting enterprise applications within the financial services industry. This...
Date Posted: 08/31/2026 Recommended
-
Test Automation Engineer
New Carrolton , Maryland
Test Automation Engineer Work Arrangement: Remote Employment Type: Contract to Hire Clearance Requirement: Active IRS MBI Additional Requirement: Current IRS-issued government furnished equipment Position Overview We are seeking an experienced Tester t...
Date Posted: 09/21/2026 Recommended
-
Frontend Engineer - Angular 19+
Merrifield, VA
Description: Frontend Engineer – Angular 19+ Location: Vienna, VA or Pensacola, FL (hybrid) Pay Rate: $75/hr. W2. Benefits Available Position Type: Contract On-Site Interview Required We are looking for mid to senior-level Frontend Engineer with extens...
Date Posted: 09/18/2026 Recommended
-
Senior AWS Java Full Stack Developer
Lafayette, Louisiana
Job Title: Senior AWS Java Full Stack Developer Location: Lafayette, LA, Knoxville, TN, Columbia, SC, Birmingham, AL Type: Direct Hire Responsibilities Build and enhance cloud native applications using Java, Spring Boot, Angular, TypeScript, and AWS, c...
Date Posted: 09/22/2026 Recommended
-
Manual QA Test Engineer
Knoxville , Tennessee
Job Title: Manual QA Test Engineer Location: Lafayette, Louisiana Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Develop and execute test cases, validate functionality across web and mobile platforms, and partner ...
Date Posted: 09/21/2026 Recommended
-
Manual QA Test Engineer
Lafayette, Louisiana
Job Title: Manual QA Test Engineer Location: Lafayette, Louisiana Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Develop and execute test cases, validate functionality across web and mobile platforms, and partner ...
Date Posted: 09/21/2026 Recommended
-
Jr. Software Test Engineer
Huntsville, AL
Job Title: Jr. Software Test Engineer (Contract-to-Hire) Location: Huntsville, AL (On-site) Security Clearance: Active Secret preferred OR ability to obtain Pay Rate: $62-68/hr (W2) About the role Join a team supporting defense/tactical systems where y...
Date Posted: 09/01/2026 Recommended
-
UI/UX Developer
McLean, VA
Job Title: UI/UX Developer Location: McLean, VA – can work Offsite Type: Contract To Hire Compensation: Not specified Work Model: REMOTE Critical Competencies A critical competency for this role is the ability to leverage agentic AI development tools (...
Date Posted: 09/02/2026 Recommended
-
Senior API Platform Software Engineer
Lafayette, Louisiana
Job Title - Senior API Platform Software Engineer Locations: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC Work Arrangement: Hybrid Employment Type: Full time Experience Required: 5+ years Position Overview We are seeking a Senior API P...
Date Posted: 08/28/2026 Recommended
-
Senior API Platform Software Engineer
Birmingham, Alabama
Job Title - Senior API Platform Software Engineer Locations: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC Work Arrangement: Hybrid Employment Type: Full time Experience Required: 5+ years Position Overview We are seeking a Senior API P...
Date Posted: 08/28/2026 Recommended
-
Senior API Platform Software Engineer
Knoxville, Tennessee
Job Title - Senior API Platform Software Engineer Locations: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC Work Arrangement: Hybrid Employment Type: Full time Experience Required: 5+ years Position Overview We are seeking a Senior API P...
Date Posted: 08/28/2026 Recommended
-
Senior API Platform Software Engineer
Columbia, South Carolina
Job Title - Senior API Platform Software Engineer Locations: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC Work Arrangement: Hybrid Employment Type: Full time Experience Required: 5+ years Position Overview We are seeking a Senior API P...
Date Posted: 08/28/2026 Recommended
-
Java API Tech Lead
Pittsburgh , Pennsylvania
Job Title: Java API Tech Lead Location: Pittsburgh, Pennsylvania Type: Contract To Hire Compensation: $70.00 - $10,000.00 Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Overview Leave placeholder text here for recruiter to in...
Date Posted: 06/29/2026 Recommended
-
AWS Python Developer
Lafayette, Louisiana
Job Title: AWS Python Developer Location: Lafayette, Louisiana, United States Type: Direct Hire Work Model: Hybrid – onsite and remote Overview System One is seeking an experienced AWS Python Developer to support the development and modernization of cl...
Date Posted: 09/17/2026 Recommended
-
Sr. ServiceNow Developer - CSM
Reston, VA
Senior ServiceNow Developer (CSM) Location: Reston, VA (Hybrid) Duration: 9-Month Contract Employment Type: W2 Compensation: $83.33 Overview We are seeking a Senior ServiceNow Developer with strong experience in Customer Service Management (CSM) to sup...
Date Posted: 09/15/2026 Recommended
-
Software Developer
McLean, VA
Software Developer Practice: Software Development & Support / Digital Company: Guidehouse Location: Remote Security and Work Authorization Requirements • Must be able to obtain and maintain a Federal or Department of Defense Public Trust. • Candidates ...
Date Posted: 08/25/2026 Recommended
-
Senior Atlassian Tools Administrator
Columbia, South Carolina
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Lafayette, Louisiana
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Knoxville, Tennessee
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Birmingham, Alabama
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
AWS Full Stack Java Developer
Knoxville, Tennessee
Senior AWS Java Full Stack Developer Job Type: Permanent Full-Time Locations: Lafayette, LA | Knoxville, TN | Columbia, SC | Birmingham, AL Position Description We are seeking an experienced Senior AWS Java Full Stack Developer to join a small, high-pe...
Date Posted: 09/19/2026 Recommended
-
AWS Full Stack Java Developer
Knoxville, Tennessee
Senior AWS Java Full Stack Developer Job Type: Permanent Full-Time Locations: Lafayette, LA | Knoxville, TN | Columbia, SC | Birmingham, AL Position Description We are seeking an experienced Senior AWS Java Full Stack Developer to join a small, high-pe...
Date Posted: 09/19/2026 Recommended